/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 - present Instructure, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import type { NewComponentTypes, SharedTokens } from '@instructure/ui-themes'
import type { FormFieldMessageProps, FormFieldMessageStyle } from './props'
import type { FormMessageType } from '../../utils/v1/FormPropTypes'

type StyleParams = {
  variant: FormFieldMessageProps['variant']
}

/**
 * ---
 * private: true
 * ---
 * Generates the style object from the theme and provided additional information
 * @param  {Object} componentTheme The theme variable object.
 * @param  {Object} props the props of the component, the style is applied to
 * @param  {Object} state the state of the component, the style is applied to
 * @return {Object} The final style object, which will be used in the component
 */
const generateStyle = (
  componentTheme: ReturnType<NewComponentTypes['FormFieldMessage']>,
  params: StyleParams,
  sharedTokens: SharedTokens
): FormFieldMessageStyle => {
  const { variant } = params

  const variants: Record<FormMessageType, { color?: string }> = {
    hint: { color: componentTheme.hintTextColor },
    error: { color: componentTheme.errorTextColor },
    newError: { color: componentTheme.errorTextColor },
    success: { color: componentTheme.successTextColor },
    'screenreader-only': {}
  }

  return {
    icon: {
      fontSize: componentTheme.fontSize,
      marginRight: sharedTokens.spacing.general.spaceXs,
      lineHeight: 1.25
    },
    formFieldMessage: {
      label: 'formFieldMessage',
      fontFamily: componentTheme.fontFamily,
      fontWeight: componentTheme.fontWeight,
      fontSize: componentTheme.fontSize,
      lineHeight: componentTheme.lineHeight,
      display: 'block',
      ...variants[variant!]
    }
  }
}

export default generateStyle